Contacts: import via csv file

src/mainwindow.cpp

@@ -474,6 +474,8 @@ void MainWindow::initMenu() {
             Utils::showMessageBox("Address book exported", QString("Address book exported to %1").arg(fn), false);
     });
 
+    connect(ui->actionImportContactsCSV, &QAction::triggered, this, &MainWindow::importContacts);
+
     // Tools
     connect(ui->actionSignVerify, &QAction::triggered, this, &MainWindow::menuSignVerifyClicked);
     connect(ui->actionVerifyTxProof, &QAction::triggered, this, &MainWindow::menuVerifyTxProof);
@@ -1045,6 +1047,29 @@ void MainWindow::onAddContact(const QString &address, const QString &name) {
     }
 }
 
+void MainWindow::importContacts() {
+    const QString targetFile = QFileDialog::getOpenFileName(this, "Import CSV file", QDir::homePath(), "CSV Files (*.csv)");
+    if(targetFile.isEmpty()) return;
+
+    auto *model = m_ctx->currentWallet->addressBookModel();
+    QMapIterator<QString, QString> i(model->readCSV(targetFile));
+    int inserts = 0;
+    while (i.hasNext()) {
+        i.next();
+        bool addressValid = WalletManager::addressValid(i.value(), m_ctx->currentWallet->nettype());
+        if(addressValid) {
+            m_ctx->currentWallet->addressBook()->addRow(i.value(), "", i.key());
+            inserts++;
+        }
+    }
+
+    if(inserts > 0) {
+        m_ctx->storeWallet();
+    }
+
+    QMessageBox::information(this, "Contacts imported", QString("Total contacts imported: %1").arg(inserts));
+}
+
 MainWindow *MainWindow::getInstance() {
     return pMainWindow;
 }

src/mainwindow.h

@@ -99,6 +99,7 @@ public slots:
     void onWalletOpenPasswordRequired(bool invalidPassword);
     void onViewOnBlockExplorer(const QString &txid);
     void onAddContact(const QString &address, const QString &name);
+    void importContacts();
     void showRestoreHeightDialog();
 
     // offline tx signing

src/mainwindow.ui

@@ -333,6 +333,7 @@
       <string>Contacts</string>
      </property>
      <addaction name="actionExportContactsCSV"/>
+     <addaction name="actionImportContactsCSV"/>
     </widget>
     <widget class="QMenu" name="menuAdvanced">
      <property name="title">
@@ -538,6 +539,11 @@
     <string>Refresh models</string>
    </property>
   </action>
+  <action name="actionImportContactsCSV">
+   <property name="text">
+    <string>Import CSV</string>
+   </property>
+  </action>
   <action name="actionExportContactsCSV">
    <property name="text">
     <string>Export CSV</string>

src/model/AddressBookModel.cpp

@@ -174,3 +174,21 @@ bool AddressBookModel::writeCSV(const QString &path) {
     csv = QString("address,description\n%1").arg(csv);
     return Utils::fileWrite(path, csv);
 }
+
+QMap<QString, QString> AddressBookModel::readCSV(const QString &path) {
+    if(!Utils::fileExists(path)) {
+        return QMap<QString, QString>();
+    }
+    QString csv = Utils::barrayToString(Utils::fileOpen(path));
+    QTextStream stream(&csv);
+    QMap<QString, QString> map;
+    while(!stream.atEnd()) {
+        QStringList line = stream.readLine().split(",");
+        QString name = line.at(0);
+        QString address = line.at(1);
+        if(!name.isEmpty() && !address.isEmpty()) {
+            map[name] = address;
+        }
+    }
+    return map;
+}

src/model/AddressBookModel.h

@@ -36,6 +36,7 @@ public:
     bool isShowFullAddresses() const;
     void setShowFullAddresses(bool show);
     bool writeCSV(const QString &path);
+    QMap<QString, QString> readCSV(const QString &path);
 
 public slots:
     void startReset();